分析韩文版腰椎经椎间孔硬膜外阻滞中硬膜外腔深度的影响因素。
Analysis of influencing factors to depth of epidural space for lumbar transforaminal epidural block in korean.
机构信息
Department of Anesthesiology and Pain Medicine, Kwangju Christian Hospital, Gwangju, Korea.
出版信息
Korean J Pain. 2011 Dec;24(4):216-20. doi: 10.3344/kjp.2011.24.4.216. Epub 2011 Nov 30.
BACKGROUND
Transforaminal epidural steroid injection is one of the effective treatments in managing radicular pain. There have been some prospective studies on the depth to the epidural space with the transforaminal approach. However, there have been no studies about the depth in Asians, especially Koreans. This study was carried out in order to evaluate the depth to the epidural space and the oblique angle and factors that influence the depth to the epidural space during lumbar transforaminal epidural injection.
METHODS
A total of 248 patients undergoing fluoroscopically guided transforaminal epidural steroid injections were evaluated. At the L3-4, L4-5, L5-S1, and S1 levels, we measured the oblique angle and depth to the epidural space.
RESULTS
Needle depth was positively associated with body mass index (correlation coefficient 0.52, P = 0.004). The median depths (in centimeters) to the epidural space were 6.13 cm, 6.42 cm, and 7.13 cm for 50-60 kg, 60-70 kg, and 70-80 kg groups, respectively, at L5-S1. Age and height were not significantly associated with the needle depth.
CONCLUSIONS
There is a positive association between the BMI (and weight) and transforaminal epidural depth but not with age, sex, and height.
背景
经椎间孔硬膜外类固醇注射是治疗神经根痛的有效方法之一。已经有一些关于经椎间孔入路硬膜外间隙深度的前瞻性研究。然而，还没有关于亚洲人，特别是韩国人的研究。本研究旨在评估腰椎经椎间孔硬膜外注射时硬膜外间隙的深度、斜角以及影响硬膜外间隙深度的因素。
方法
共评估了 248 例接受透视引导下经椎间孔硬膜外类固醇注射的患者。在 L3-4、L4-5、L5-S1 和 S1 水平，我们测量了斜角和硬膜外间隙的深度。
结果
针深与体重指数呈正相关（相关系数 0.52，P = 0.004）。在 L5-S1 水平，50-60kg、60-70kg 和 70-80kg 组的硬膜外间隙中位数（cm）分别为 6.13cm、6.42cm 和 7.13cm。年龄和身高与针深无显著相关性。
结论
BMI（和体重）与经椎间孔硬膜外深度呈正相关，但与年龄、性别和身高无关。
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